Special fancy threads mainly refer to gold and silver threads, chenille threads, etc. Gold and silver wires mainly refer to gold and silver wires obtained by sandwiching aluminum sheets between polyester film sheets or steaming on polyester films. It can be used both on fabrics and as decorative sewing thread to make the fabric surface shiny and bright. A chenille thread is a specially made fancy yarn in which the fibers are held on a plied core yarn, shaped like a bottle brush. It is soft to the touch and is widely used in flocking and fringe fabrics.